IANA, the full name of The Internet Assigned Numbers Authority, that the Internet Assigned Numbers mechanism 1.
Internet has become the world-wide network. In order to ensure the proper functioning of the world there are many institutions involved. The Internet itself is decentralized (not subject to centralized control), to be so multi-agency collaboration, some of the key parts of the Internet technology will need to reach a consensus. IANA is responsible for coordinating the task to reach a consensus and maintain it 2.